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  Home > JCE Print > Journal of Chemical Education > Issues > 2008  > October  >
In the Classroom
JCE DigiDemos: Extensions
Demonstration Extension: Copper-to-Silver-to-Gold Penny Demonstration
Ed Vitz
Department of Physical Sciences, Kutztown University, Kutztown, PA 19530
Cover
October 2008
Vol. 85 No. 10
p. 1381
Abstract
This demonstration, if done in the original way, can lead to fires in waste containers (sometimes in the middle of the night after the experiment has been conducted), because pyrophoric zinc is generated by suspending powdered zinc in hot sodium hydroxide. This is avoided by using hot ZnSO4.
Supplement
Find "New Observations on the Copper-to-Silver-to-Gold Demonstration" in the JCE Digital Library.
More Information
*
Citation
Vitz, Ed. J. Chem. Educ. 2008, 85, 1381.
*
Keywords
Communication / Writing; Demonstrations; First-Year Undergraduate / General; Internet / Web-Based Learning
*
History
Created:
Last Updated:
8/27/2008
9/5/2008
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  Home > JCE Print > Journal of Chemical Education > Issues > 2008  > October  > Page 1381


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